Fig. 1.
Pedigree of the Dutch GCS-deficient family.
Patient 1:2 was previously reported as Mrs. M.-K. (patient V:19) with GSH deficiency in the erythrocytes (Prins et al12). Her parents were consanguineous (second cousins). Subjects 2:2 and 2:6 are sisters, also related to patient 1:2 (their father is a second cousin of patient 1:2).